TABLE 1

Estimated Variables and Effective Dose for Personnel During Different Steps of [^99mTc]Tc-PSMA-I&S RGS Procedure

Location	Procedure	Step	Personnel	A (MBq)	l (m)	t_s min/s	h	t (h)	d (mm)	Γ (μSv m² MBq⁻¹ h⁻¹)	E (μSv)
Radiopharmacy	Labeling	Attaching [^99mTc] pertechnetate	Technologist RP	2,000	0.3	10 s	0.003	0	3	0.023	1.50 × 10⁻³
		Labeling	Technologist RP	2,000	2.0	30 min	0.500	0	55	0.023	3.72 × 10⁻⁵⁵
		Removal final product	Technologist RP	2,000	0.3	10 s	0.003	0	50	0.023	1.03 × 10⁻⁵⁰
	Quality control	Instant thin-layer chromatography	Technologist RP	100	0.3	1 min	0.017	0	2	0.023	4.28 × 10⁻³
		High-performance liquid chromatography	Technologist RP	100	2.0	30 min	0.500	0	0	0.023	2.88 × 10⁻¹
Nuclear medicine	Syringe preparation	Calibration of vial	Technologist NML	2,000	0.4	10 s	0.003	0	50	0.023	5.81 × 10⁻⁵¹
		Preparing syringes	Technologist NML	2,000	0.4	2 min	0.006	0	10	0.023	1.59 × 10⁻¹⁰
	Patient administration	Patient administration	Physician NM	550	0.4	1 min	0.003	0	3	0.023	2.32 × 10⁻⁴
		Care after administration	Physician NM	550	1.0	5 min	0.083	0	0	0.008	3.65 × 10⁻¹
	Imaging	Patient positioning	Technologist NM	550	0.5	3 min	0.050	17	0	0.008	1.24 × 10⁻¹
		Patient imaging	Technologist NM	550	3.0	30 min	0.500	17	2	0.008	3.39 × 10⁻⁴
Operating room	Surgery	Surgery	Anesthesiology technologist	550	0.5	120 min	2.000	20	0	0.008	3.51 × 10°
			Scrub nurse	550	0.3	120 min	2.000	20	0	0.008	9.74 × 10°
			Surgical nurse	550	2.0	120 min	2.000	20	0	0.008	2.19 × 10⁻¹
			Surgeon	550	2.0	120 min	2.000	20	0	0.008	2.19 × 10⁻¹